You don't increase the frame size, you just pack more encoded frames in rtp. Dragos On Dec 13, 2011 8:47 AM, "Mike Dawson" <[email protected]> wrote:
> Dear All, > > I have a situation that I think might be common: I want to run SIP > sessions over a VPN. I am using mostly the speex codec. The VPN is > running over UDP and the issue is that with a small packet being sent > more frequently the packet overhead is increasing bandwidth usage 2-3x. > > So what would be helpful would be to pass a parameter to the codec to > try and increase the frame size so that fewer larger packets go out (and > reduce the overhead loss). > > I noticed: > > http://lists.gnu.org/archive/html/linphone-developers/2010-04/msg00078.html > > But not sure if that applies to audio only - looks like according to > speex doc this should be possible: > > http://www.speex.org/docs/manual/speex-manual/node13.html > > Does anyone have any hints on where to look for module parameters or > what to do if they don't yet exist - I guess I would have to modify some > source. > > Many Thanks, > > -Mike > > 14:24:08.996504 IP user2-Aspire-S3.local.36666 > > static.1.2.3.4.clients.your-server.de.openvpn: UDP, length 141 > 14:24:08.996647 IP6 fe80::76de:2bff:fe3d:7b08.mdns > ff02::fb.mdns: 0 > PTR (QM)? 254.255.128.10.in-addr.arpa. (45) > 14:24:08.996792 IP user2-Aspire-S3.local.36666 > > static.1.2.3.4.clients.your-server.de.openvpn: UDP, length 125 > 14:24:08.996825 IP user2-Aspire-S3.local.mdns > 224.0.0.251.mdns: 0 PTR > (QM)? 254.255.128.10.in-addr.arpa. (45) > ^C14:24:09.096979 IP ASUS.local.63816 > 239.255.255.250.1900: UDP, > length 133 > > > 14:24:56.316471 IP user1-Satellite-A300.local.7078 > > user2-Aspire-S3.local.7078: UDP, length 18 > 14:24:56.341113 IP user2-Aspire-S3.local.7078 > > user1-Satellite-A300.local.7078: UDP, length 58 > 14:24:56.345263 IP user1-Satellite-A300.local.7078 > > user2-Aspire-S3.local.7078: UDP, length 18 > 14:24:56.355261 IP user1-Satellite-A300.local.7078 > > user2-Aspire-S3.local.7078: UDP, length 18 > 14:24:56.362484 IP user2-Aspire-S3.local.7078 > > user1-Satellite-A300.local.7078: UDP, length 58 > > > > > _______________________________________________ > Linphone-users mailing list > [email protected] > https://lists.nongnu.org/mailman/listinfo/linphone-users >
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